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1.Adopt super capacitor instead of battery .No
environment pollution problem.
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2.Adopt super capacitor instead of battery
increasing stud life-span.(Life-span more than5
years, warranty 2 years)
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3.Compressive strength >15tons
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4.With both LED flash function and reflective
sheet's reflective function .LED warning distance
>300M,Reflective waming distance > 60M
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5.Overcast
days could
work
normally
without
influence.
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6.Special convex lens design,stud body could be
installed under ground to reduce traffic accidents.
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7.Shell Materials:Aluminum
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